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- The DI Type coupling has a “Drop-In” spacer assembly that is assembled at the factory. The coupling consists of two hubs and a spacer assembly comprising of the spacer, two unitized disc packs, and two guard rings. The disc packs are bolted to the spacer and guard rings at the factory using the torque values recommended by Lovejoy for the disc pack bolts. With the hubs mounted on the shafts, the entire disc pack assembly can be “Dropped In” place between the two hubs. The hubs are piloted to ensure proper centering of the spacer assembly. This piloting serves as an anti-flail feature and aids in the coupling’s ability to meet the balance standards mandated by API. This style coupling is designed to meet the balance and anti-flail requirements specified in API-610.
Oversized, or Jumbo, hubs are available for use with the DI Type coupling to allow for larger bore sizes on most DI coupling sizes. This allows for the use of smaller DI couplings in applications where a smaller size coupling can still accommodate the application torque.
Unit of Measure
Key Dimensions
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Dimensional Data
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Dimensional Data of Related Coupling
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Performance Data of Related Coupling
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Features
Key Dimensions
Description |
N/A DI228-6-SUBASSY-BSE=7" |
Hub Style |
N/A Standard |
Type |
N/A Disc |
Style |
N/A Spacer Assembly |
Color |
N/A Metallic |
Coupling Series |
N/A DI-6 |
Coupling Type |
N/A Drop in Spacer Assembly |
Weight |
N/A 41.00 lb |
Weight (Complete Coupling w/ Max. Bores) |
N/A 121.00 lb55.00 Kg |
Dimensional Data
Height |
N/A 9.290 in |
Between Shaft Ends |
N/A 7.00 in |
Width |
N/A 9.290 in |
Cubic inches |
N/A 604.12870 in³ |
Dimensional Data of Related Coupling
Coupling Size |
N/A 228-6 |
Length thru Bore |
N/A 3.940 in100.08 mm |
Outside Diameter |
N/A 6.300 in160.00 mm |
Overall Length |
N/A 14.880 in377.952 mm |
Max. Bore (Dimensions ID) |
N/A 5.940 in150 mm |
Flange Diameter (Dimension FD) |
N/A 9.290 in236.00 mm |
Dimension PW |
N/A 7.000 in177.80 mm |
Dimension S |
N/A 4.480 in114.00 mm |
Distance between Shaft Ends (Dimension BSE) |
N/A 7 in177.8 mm |
Performance Data of Related Coupling
Temperature |
N/A -40 to 450 ºF |
Nominal Torque |
N/A 7000.00 in·lb |
Max. Torque |
N/A 123900.00 in·lb14000.00 N·m |
Max. Speed (Unbalanced) |
N/A 3400.00 rpm |
Max. Speed (Balanced) |
N/A 8500.00 rpm |
Axial Misalignment (∆ Ka) |
N/A 0.165 in4.20 mm |
Max. Angular Misalignment |
N/A 1.00 º |
Torsional Stiffness x 106 |
N/A 23.00 in·lb/rad2.60 Nm/rad |
Rated Power at 100 rpm |
N/A 98.30 hp73.30 kW |
Features
Features |
N/A
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